/*
 * Copyright 2015-2016 TakWolf
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.takwolf.android.crashhandler;

import android.content.Context;
import android.content.Intent;
import android.os.Bundle;

import java.lang.Thread.UncaughtExceptionHandler;

public final class CrashHandler implements UncaughtExceptionHandler {

    private volatile static CrashHandler singleton;

    private static CrashHandler getInstance(Context context) {
        if (singleton == null) {
            synchronized (CrashHandler.class) {
                if (singleton == null) {
                    singleton = new CrashHandler(context);
                }
            }
        }
        return singleton;
    }

    public static void active(Context context) {
        Thread.setDefaultUncaughtExceptionHandler(getInstance(context));
    }

    private Context context;

    private CrashHandler(Context context) {
        this.context = context.getApplicationContext();
    }

    @Override
    public void uncaughtException(Thread thread, final Throwable e) {
        Intent intent = new Intent(context, CrashLogActivity.class);
        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        Bundle bundle = new Bundle();
        bundle.putSerializable("e", e);
        intent.putExtras(bundle);
        context.startActivity(intent);

        android.os.Process.killProcess(android.os.Process.myPid());
    }

}
